Brenstol Ltd 
Estonia
| boiler house, 1.6 MW | 2001 |
| recirculation filter, capacity 85 000 m³/h | 2002 |
| recirculation filter, capacity 55 000 m³/h | 2005 |
| recirculation filter, capacity 40 000 m³/h | 2011 |
* - projects in progress
| boiler house, 1.6 MW | 2001 |
| recirculation filter, capacity 85 000 m³/h | 2002 |
| recirculation filter, capacity 55 000 m³/h | 2005 |
| recirculation filter, capacity 40 000 m³/h | 2011 |
